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Why is Java's Iterator not an Iterable?
...oduction of the enhanced for loop was that it "eliminates the drudgery and error-proneness of iterators and index variables when iterating over collections and arrays" [1].
Collection<Item> items...
for (Iterator<Item> iter = items.iterator(); iter.hasNext(); ) {
Item item = iter.n...
How to move files from one git repo to another (not a clone), preserving history
...
@mcarans Getting the following error: fatal: Couldn't find remote ref repo-B-branch on applying in step 4 of Stage Three, git pull repo-A-branch repo-B-branch --allow-unrelated-histories But repo-B-branch is present in repo B
– Kaush...
Execute Insert command and return inserted Id in Sql
...
I was getting an invalid cast error when trying to cast the int modified = (int)cmd.ExecuteScalar(); to an int. I had to use Convert to convert it to an int. int modified = Convert.ToInt32(cmd.ExecuteScalar());
– Baddack
...
Why do some functions have underscores “__” before and after the function name?
...worker(self):
try:
self._worker()
except tornado.web.HTTPError, e:
self.set_status(e.status_code)
except:
logging.error("_worker problem", exc_info=True)
self.set_status(500)
tornado.ioloop.IOLoop.instance().add_callback(self.async_callback(self.resu...
How can I set the Secure flag on an ASP.NET Session Cookie?
...your (server-level) configuration. I brought the Test Region down with the error "The application is configured to issue secure cookies. These cookies require the browser to issue the request over SSL (https protocol). However, the current request is not over SSL." This was because we have a reverse...
How does Python's super() work with multiple inheritance?
... [Second, First]? There's no obvious expectation, and Python will raise an error:
TypeError: Error when calling the metaclass bases
Cannot create a consistent method resolution order (MRO) for bases Second, First
Edit: I see several people arguing that the examples above lack super() calls, s...
Rename MySQL database [duplicate]
...-e "show databases like '$3'" -sss`
if [ -n "$db_exists" ]; then
echo "ERROR: New database already exists $3"
exit 1
fi
TIMESTAMP=`date +%s`
character_set=`mysql -h $1 -e "show create database $2\G" -sss | grep ^Create | awk -F'CHARACTER SET ' '{print $2}' | awk '{print $1}'`
TABLES=`mysql -...
What is an example of the simplest possible Socket.io example?
... addMessage(data.time);
});
socket.on('error', console.error.bind(console));
socket.on('message', console.log.bind(console));
function addMessage(message) {
var text = document.createTextNode(message),
e...
Better way of incrementing build number?
...he plist file, however it's making Xcode 4.2.1 crash frequently (with an error about the target not belonging to a project; I'm guessing the changing of the plist file is confusing Xcode in some way).
...
What is Normalisation (or Normalization)?
...ecific problem, usually related to redundancy.
Some typical normalization errors:
(1) Having more than one value in a cell. Example:
UserId | Car
---------------------
1 | Toyota
2 | Ford,Cadillac
Here the "Car" column (which is a string) have several values. That offends the first no...